set vm_swappines to 0

Change-Id: I6533e003c35b8c54ee478a85369b760b685f0d29
Change readahead to dynamic value (32>512)

Change-Id: If98d976c8db59e091530e0f4a66f04deb18213c0
Try GP_TIMER instead of DG_TIMER to try and click click drift (set this way in Bruce's kernel)

Change-Id: I6787554f152f58f8489b234bab883e2f54e53eb7
Linux 3.0.63

Change-Id: I65fc551ec0bc0c049c81bd789af22c6510a633d1